mash: Port ash_sysui app list presenter to mojo:ash.

ash/mus/app_list_presenter_mus.h

Index: ash/mus/app_list_presenter_mus.h
diff --git a/ash/sysui/app_list_presenter_mus.h b/ash/mus/app_list_presenter_mus.h
similarity index 87%
rename from ash/sysui/app_list_presenter_mus.h
rename to ash/mus/app_list_presenter_mus.h
index b2d36e5950930077dfb7f261ba32a8e15363282f..fdeac08ad7f8fb15e799d7574077180e0243da7c 100644
--- a/ash/sysui/app_list_presenter_mus.h
+++ b/ash/mus/app_list_presenter_mus.h
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef ASH_SYSUI_APP_LIST_PRESENTER_MUS_H_
-#define ASH_SYSUI_APP_LIST_PRESENTER_MUS_H_
+#ifndef ASH_MUS_APP_LIST_PRESENTER_MUS_H_
+#define ASH_MUS_APP_LIST_PRESENTER_MUS_H_
 
 #include "base/macros.h"
 #include "ui/app_list/presenter/app_list_presenter.h"
@@ -32,7 +32,7 @@ class AppListPresenterMus : public app_list::AppListPresenter {
  private:
   // Connect to the mojo app list service in chrome if the connection hasn't
   // been established or has an error.
-  bool ConnectIfNeeded();
+  void ConnectIfNeeded();
 
   ::shell::Connector* connector_;
   app_list::mojom::AppListPresenterPtr presenter_;
@@ -42,4 +42,4 @@ class AppListPresenterMus : public app_list::AppListPresenter {
 
 }  // namespace ash
 
-#endif  // ASH_SYSUI_APP_LIST_PRESENTER_MUS_H_
+#endif  // ASH_MUS_APP_LIST_PRESENTER_MUS_H_